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13031162000 = 245322728703
BaseRepresentation
bin11000010001011011…
…11100000010010000
31020122011102121200122
430020231330002100
5203141434141000
65553023005412
7640632022643
oct141055740220
936564377618
1013031162000
11558782997a
122638139868
1312c899285c
148b895ba5a
1551405a085
hex308b7c090

13031162000 has 80 divisors (see below), whose sum is σ = 31649260032. Its totient is φ = 5189321600.

The previous prime is 13031161999. The next prime is 13031162033. The reversal of 13031162000 is 26113031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×130311620002 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13031162000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439649 + ... + 468351.

Almost surely, 213031162000 is an apocalyptic number.

13031162000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031162000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15824630016).

13031162000 is an abundant number, since it is smaller than the sum of its proper divisors (18618098032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031162000 is a wasteful number, since it uses less digits than its factorization.

13031162000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28953 (or 28937 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13031162000 its reverse (26113031), we get a palindrome (13057275031).

The spelling of 13031162000 in words is "thirteen billion, thirty-one million, one hundred sixty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 227 250 400 454 500 908 1000 1135 1816 2000 2270 3632 4540 5675 9080 11350 18160 22700 28375 28703 45400 56750 57406 90800 113500 114812 143515 227000 229624 287030 454000 459248 574060 717575 1148120 1435150 2296240 2870300 3587875 5740600 6515581 7175750 11481200 13031162 14351500 26062324 28703000 32577905 52124648 57406000 65155810 104249296 130311620 162889525 260623240 325779050 521246480 651558100 814447625 1303116200 1628895250 2606232400 3257790500 6515581000 13031162000